<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <div id="main" style="width: 750px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
// 导入echarts
import * as echarts from 'echarts'
import _ from 'loadsh'
export default {
  data() {
    return {
      // 需要合并的数据
      options: {
          title: {
            text: '用户来源'
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'cross',
              label: {
                backgroundColor: '#E9EEF3'
              }
            }
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [
            {
              boundaryGap: false
            }
          ],
          yAxis: [
            {
              type: 'value'
            }
          ]
        },
    }
  },
  created() {},
  //   页面上的元素已经渲染完毕
  async mounted() {
    var myChart = echarts.init(document.getElementById('main'))
    const { data: res } = await this.$http.get('reports/type/1')
    if (res.meta.status != 200) return this.$message.error('获取报表数据失败！')
    this.$message.success('获取报表数据成功！')
    // console.log(res.data)

    // 指定图表的配置项和数据
    const result = _.merge(res.data, this.options)
    //  console.log(res.result)
    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(result)
  },
  methods: {},
}
</script>

<style lang="less" scoped>
</style>